Increasing your load range could be a good thing or a bad thing depending on the situation. If your trailer isn't pushing the load capacity of your current tires, then I wouldn't worry too much about increasing the load range to prevent blow outs.
If you are using bias ply tires, then upgrading to radial tires will have a significant impact because radial tires are much better suited to highway/paved road travel. The cords in the rubber are more suitable to flex which allows for more... view full answer...
I confirmed with my contact at Sportrack, and she confirmed that the SportRack Pop-Up Camper Roof Rack # SR1020 will fit on your 2021 Coachmen Clipper Sport 108ST. The SportRack will require you to drill to bolt-in the rack feet. All mounting hardware comes included with the rack. view full answer...